CyberPower SL900UC Standby UPS Battery Backup and Surge Protector, 900VA/480W, 8 Outlets, USB‑C & USB‑A Charging, Slim Profile, UL Certified
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
The CyberPower SL900UC uninterruptible power supply (UPS) system provides robust battery backup and surge protection to safeguard sensitive electronics from power disturbances such as lightning‑induced surges, brownouts, and outages. With a 900VA/480W capacity, it offers extended runtime for connected devices, allowing users to safely shut down computers and prevent data loss during unexpected power failures. Equipped with both USB‑C and USB‑A charging ports, the SL900UC keeps mobile devices powered—even while running on battery. Its slim, modern profile supports discreet placement, and…
SpecPicks Verdict
SpecPicks classifies CyberPower SL900UC Standby UPS Battery Backup and Surge Protector… as a category leader on buyer feedback in the power protection category, based on 1 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 5.0★ average across customer reviews
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 900VA/480W Slim Profile Standby Uninterruptible Power Supply (UPS): Delivers simulated sine wave output to provide dependable battery backup power and protect home office electronics, gaming systems, home entertainment equipment, and networking devices from power interruptions and voltage fluctuations.
- 8 NEMA 5‑15R OUTLETS: Five battery backup & surge‑protected outlets and three surge‑only outlets. Includes two widely spaced outlets to support oversized transformer plugs. INPUT: NEMA 5‑15P right‑angle, 45‑degree offset plug with a five‑foot power cord for flexible placement.
- USB‑C & USB‑A CHARGING PORTS: Integrated USB‑C and USB‑A ports provide fast charging for smartphones, tablets, and other mobile electronics—available even during a power outage. LED STATUS INDICATORS: Display Power‑On, Wiring Fault, and other essential system conditions at a glance.
- GREENPOWER UPS HIGH‑EFFICIENCY DESIGN: Reduces energy consumption through an advanced, compact charger and power inverter, creating an ultra‑efficient backup power solution ideal for home and office environments.
- 3‑YEAR WARRANTY – INCLUDING THE BATTERY; Protected by a $100,000 Connected Equipment Guarantee and includes FREE PowerPanel Management Software (Download). UL SAFETY CERTIFIED: Tested in a UL‑certified lab and listed to meet or exceed rigorous safety and performance standards.
Full Specifications
| Brand | CyberPower |
|---|---|
| Color | Black |
| Voltage | 120 Volts |
| Wattage | 480 watts |
| Amperage | 4 Amps |
| Unit Count | 1.0 Count |
| Form Factor | Compact |
| Connectivity | USB |
| Model Number | SL900UC |
| Input Voltage | 120 Volts (AC) |
| Maximum Power | 480 Watts |
| Connector Type | NEMA |
| Output Current | 0.53 Amps |
| Output Voltage | 900 Volts |
Ready to buy?
CyberPower SL900UC Standby UPS Battery Backup and Surge Protector, 900VA/480W, 8 Outlets, USB‑C & USB‑A Charging, Slim Profile, UL Certified is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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